![subject](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 11:54 lindsaypre0644
1. For a standard normal distribution, find the approximate value of P (z ≤ -1.25). Use the portion of the standard normal table attached to help answer the question (1st image attached.)
2. For a standard normal distribution, find the approximate value of P (z ≥ -1.25). P ( z ≥ 0.42 ). Use the portion of the standard normal table attached to help answer the question (2nd image attached.)
3. For a standard normal distribution, find the approximate value of P(-0.78 ≤ z ≤ 1.16). Use the portions of the standard normal tables attached to help answer the question (3rd and 4th images attached.)
4. The life of a manufacturer's compact fluorescent light bulbs is normal, with mean 12,000 hours and standard deviation 2,000 hours. Caitlynn wants to find the probability that a light bulb she purchased from this manufacturer will last at least 14,500 hours. What is the probability that the light bulb she purchases from this manufacturer will last greater than or equal to 14,500 hours? Use the portion of the standard normal table attached to help answer the question (5th image attached.)
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?
Answers: 1
You know the right answer?
1. For a standard normal distribution, find the approximate value of P (z ≤ -1.25). Use the portion...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 05:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 05:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 05:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 04.03.2021 05:20
![question](/tpl/images/cats/en.png)
English, 04.03.2021 05:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mir.png)
World Languages, 04.03.2021 05:20
![question](/tpl/images/cats/biologiya.png)
Biology, 04.03.2021 05:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 04.03.2021 05:20
![question](/tpl/images/cats/mat.png)